Andrew Rich wrote:
>I have another question
>>I would like to use the radio for field events where we track horses.
>>The icom outputs 8 volts DC from the MIC ,
>>I have had a look, so most computer mic ports supply 2.5 volts for the
>electret ?
>>Maybe all that is required is a resistor ?
>>> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org>[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Andrew Rich
> Sent: Friday, 20 July 2007 3:43 PM
> To: Aprssig
> Cc: ozaprs
> Subject: [aprssig] ICOM 706 Data Out (disc)
>>> Gudday
>> I see a port on the back of the ICOM 706 MKii G is marked for packet use.
>> It provides 1200 and 9600 baud connection points.
>> Would I be right in saying that the 9600 baud stage by passes the audio
>stage and is what they call a disc out ?
>> Cheers
>> Andrew VK4TEC
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>Ozaprs at aprs.net.au>http://aprs.net.au/mailman/listinfo/ozaprs>>>Andrew,
You might find this interesting ...
http://www.epanorama.net/circuits/microphone_powering.html
Ray vk2tv